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From: Jan Hubicka <jh@suse.cz> To: nobody@gcc.gnu.org Cc: gcc-prs@gcc.gnu.org, Subject: Re: c/7344: performance regression on huge case statements Date: Thu, 17 Oct 2002 06:36:00 -0000 [thread overview] Message-ID: <20021017133603.911.qmail@sources.redhat.com> (raw) The following reply was made to PR c/7344; it has been noted by GNATS. From: Jan Hubicka <jh@suse.cz> To: Nathanael Nerode <neroden@twcny.rr.com> Cc: gcc-gnats@gcc.gnu.org, jh@suse.cz, gcc-bugs@gcc.gnu.org Subject: Re: c/7344: performance regression on huge case statements Date: Thu, 17 Oct 2002 15:32:09 +0200 > Jan, your patch of October 14 had the ChangeLog entries for predict.c > (can_predict_insn_p etc) and toplev.c (rest_of_compilation), but somehow > the actual files failed to get committed. Either commit the files > (preferred) or remove the ChangeLog entry, please. :-) Oops, I will commit that one. > > http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=7344 > > Incidentally, with only the patch of October 11th (edge cache) the test > case still seems to take forever. We'll see what happens once the patch > of October 14th (eliminating unnecessary queries) is in place; I expect > that to be more important based on your earlier numbers. There is still bit too much time spent in crossjumping and branch prediction. I didn't have time to take a look at that yet, I will try to find some later. Honza > > --Nathanael
next reply other threads:[~2002-10-17 13:36 UTC|newest] Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top 2002-10-17 6:36 Jan Hubicka [this message] -- strict thread matches above, loose matches on Subject: below -- 2003-04-08 13:15 hubicka 2003-01-08 2:00 bangerth 2002-10-18 6:56 Robert Schiele 2002-10-18 6:16 Nathanael Nerode 2002-10-17 6:46 Robert Schiele 2002-10-17 6:36 Nathanael Nerode 2002-10-17 6:26 Michael Matz 2002-10-17 6:06 Nathanael Nerode 2002-10-15 12:16 Jan Hubicka 2002-10-15 11:56 Kaveh R. Ghazi 2002-10-11 13:26 Richard Henderson 2002-10-11 12:56 Jan Hubicka 2002-10-11 10:26 Richard Henderson 2002-10-11 8:06 Jan Hubicka 2002-10-11 7:26 Jan Hubicka 2002-10-11 2:26 Jan Hubicka 2002-10-10 19:56 Nathanael Nerode 2002-10-10 19:26 Daniel Berlin 2002-10-10 19:16 Daniel Berlin 2002-10-10 19:16 Daniel Berlin 2002-10-10 19:16 Nathanael Nerode 2002-10-10 19:06 Nathanael Nerode 2002-10-10 19:06 Nathanael Nerode 2002-10-10 18:56 Nathanael Nerode 2002-07-17 13:16 Gerald Pfeifer 2002-07-17 10:46 rschiele
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